Role of a key microphysical factor in mixed-phase stratocumulus clouds and their interactions with aerosols
<p>This study examines the ratio of ice crystal number concentration (ICNC) to cloud droplet number concentration (CDNC), that is ICNC <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M1" display="inline" overflo...
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Copernicus Publications
2025-01-01
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| Series: | Atmospheric Chemistry and Physics |
| Online Access: | https://acp.copernicus.org/articles/25/705/2025/acp-25-705-2025.pdf |
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| author | S. S. Lee S. S. Lee S. S. Lee C. H. Jung J. Choi Y. J. Yoon J. Um J. Um Y. Zheng J. Guo M. G. Manoj S.-K. Song |
| author_facet | S. S. Lee S. S. Lee S. S. Lee C. H. Jung J. Choi Y. J. Yoon J. Um J. Um Y. Zheng J. Guo M. G. Manoj S.-K. Song |
| author_sort | S. S. Lee |
| collection | DOAJ |
| description | <p>This study examines the ratio of ice crystal number concentration (ICNC) to cloud droplet number concentration (CDNC), that is ICNC <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M1" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="1b4178c77ca0d4bfee6c9ddd864f3a43"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-705-2025-ie00001.svg" width="8pt" height="14pt" src="acp-25-705-2025-ie00001.png"/></svg:svg></span></span> CDNC, in mixed-phase stratocumulus clouds. This examination is performed using a large-eddy simulation (LES) framework and is one of the efforts toward a more general understanding of mechanisms controlling cloud development and aerosol–cloud interactions, as well as the impacts of ice processes on them in mixed-phase stratocumulus clouds. For the examination, this study compares a case of polar mixed-phase stratocumulus clouds to one of midlatitude mixed-phase stratocumulus clouds with weak precipitation. It is found that ICNC <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M2" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="527256ea34e0af356380afd605ccefc0"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-705-2025-ie00002.svg" width="8pt" height="14pt" src="acp-25-705-2025-ie00002.png"/></svg:svg></span></span> CDNC plays a critical role in causing differences in cloud development with respect to the relative proportion of liquid and ice mass between the cases by affecting in-cloud latent-heat processes. Note that this proportion has an important implication for cloud radiative properties and, thus, for climate. It is also found that ICNC <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M3" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="e653eaf840568ee76bb20ba3bf368ae0"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-705-2025-ie00003.svg" width="8pt" height="14pt" src="acp-25-705-2025-ie00003.png"/></svg:svg></span></span> CDNC plays a critical role in causing differences in the interactions between clouds and aerosols and in the impacts of ice processes on clouds and their interactions with aerosols between the cases by affecting in-cloud latent-heat processes. Findings of this study suggest that ICNC <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M4" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="57ee8123d9c9aefcf23d9c7f6463c158"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-705-2025-ie00004.svg" width="8pt" height="14pt" src="acp-25-705-2025-ie00004.png"/></svg:svg></span></span> CDNC can be a simplified general factor that contributes to a more general understanding and parameterization of mixed-phase clouds, their interactions with aerosols and the roles of ice processes within them.</p> |
| format | Article |
| id | doaj-art-b1e7cb9aad0c41e09c11543ee3e2b41a |
| institution | Kabale University |
| issn | 1680-7316 1680-7324 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Copernicus Publications |
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| series | Atmospheric Chemistry and Physics |
| spelling | doaj-art-b1e7cb9aad0c41e09c11543ee3e2b41a2025-01-20T12:14:16ZengCopernicus PublicationsAtmospheric Chemistry and Physics1680-73161680-73242025-01-012570572610.5194/acp-25-705-2025Role of a key microphysical factor in mixed-phase stratocumulus clouds and their interactions with aerosolsS. S. Lee0S. S. Lee1S. S. Lee2C. H. Jung3J. Choi4Y. J. Yoon5J. Um6J. Um7Y. Zheng8J. Guo9M. G. Manoj10S.-K. Song11Science and Technology Corporation, Hampton, Virginia, USAEarth System Science Interdisciplinary Center, University of Maryland, College Park, Maryland, USAResearch Center for Climate Sciences, Pusan National University, Busan, Republic of KoreaDepartment of Health Management, Kyungin Women's University, Incheon, Republic of KoreaDepartment of Atmospheric Sciences, Pusan National University, Busan, Republic of KoreaDivision of Ocean and Atmosphere Sciences, Korea Polar Research Institute, Incheon, Republic of KoreaDepartment of Atmospheric Sciences, Pusan National University, Busan, Republic of KoreaInstitute of Environmental Studies, Pusan National University, Busan, Republic of KoreaDepartment of Earth and Atmospheric Sciences, University of Houston, Houston, Texas, USAState Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081, ChinaAdvanced Centre for Atmospheric Radar Research, Cochin University of Science and Technology, Kerala, IndiaDepartment of Earth and Marine Sciences, Jeju National University, Jeju, Republic of Korea<p>This study examines the ratio of ice crystal number concentration (ICNC) to cloud droplet number concentration (CDNC), that is ICNC <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M1" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="1b4178c77ca0d4bfee6c9ddd864f3a43"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-705-2025-ie00001.svg" width="8pt" height="14pt" src="acp-25-705-2025-ie00001.png"/></svg:svg></span></span> CDNC, in mixed-phase stratocumulus clouds. This examination is performed using a large-eddy simulation (LES) framework and is one of the efforts toward a more general understanding of mechanisms controlling cloud development and aerosol–cloud interactions, as well as the impacts of ice processes on them in mixed-phase stratocumulus clouds. For the examination, this study compares a case of polar mixed-phase stratocumulus clouds to one of midlatitude mixed-phase stratocumulus clouds with weak precipitation. It is found that ICNC <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M2" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="527256ea34e0af356380afd605ccefc0"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-705-2025-ie00002.svg" width="8pt" height="14pt" src="acp-25-705-2025-ie00002.png"/></svg:svg></span></span> CDNC plays a critical role in causing differences in cloud development with respect to the relative proportion of liquid and ice mass between the cases by affecting in-cloud latent-heat processes. Note that this proportion has an important implication for cloud radiative properties and, thus, for climate. It is also found that ICNC <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M3" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="e653eaf840568ee76bb20ba3bf368ae0"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-705-2025-ie00003.svg" width="8pt" height="14pt" src="acp-25-705-2025-ie00003.png"/></svg:svg></span></span> CDNC plays a critical role in causing differences in the interactions between clouds and aerosols and in the impacts of ice processes on clouds and their interactions with aerosols between the cases by affecting in-cloud latent-heat processes. Findings of this study suggest that ICNC <span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M4" display="inline" overflow="scroll" dspmath="mathml"><mo>/</mo></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="8pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="57ee8123d9c9aefcf23d9c7f6463c158"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-705-2025-ie00004.svg" width="8pt" height="14pt" src="acp-25-705-2025-ie00004.png"/></svg:svg></span></span> CDNC can be a simplified general factor that contributes to a more general understanding and parameterization of mixed-phase clouds, their interactions with aerosols and the roles of ice processes within them.</p>https://acp.copernicus.org/articles/25/705/2025/acp-25-705-2025.pdf |
| spellingShingle | S. S. Lee S. S. Lee S. S. Lee C. H. Jung J. Choi Y. J. Yoon J. Um J. Um Y. Zheng J. Guo M. G. Manoj S.-K. Song Role of a key microphysical factor in mixed-phase stratocumulus clouds and their interactions with aerosols Atmospheric Chemistry and Physics |
| title | Role of a key microphysical factor in mixed-phase stratocumulus clouds and their interactions with aerosols |
| title_full | Role of a key microphysical factor in mixed-phase stratocumulus clouds and their interactions with aerosols |
| title_fullStr | Role of a key microphysical factor in mixed-phase stratocumulus clouds and their interactions with aerosols |
| title_full_unstemmed | Role of a key microphysical factor in mixed-phase stratocumulus clouds and their interactions with aerosols |
| title_short | Role of a key microphysical factor in mixed-phase stratocumulus clouds and their interactions with aerosols |
| title_sort | role of a key microphysical factor in mixed phase stratocumulus clouds and their interactions with aerosols |
| url | https://acp.copernicus.org/articles/25/705/2025/acp-25-705-2025.pdf |
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